<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>图书管理系统</title>
    <link href="/css/index.css" rel="stylesheet" type="text/css" >
</head>
<style>
</style>
<body>
<div class="men">
    <div class="main_top">
       <?php include 'html/top.php' ?>
    </div>
    <div class="main_center">
        <div class="main_center_left">
             <?php include 'html/left.php' ?>
        </div>
        <div class="main_center_right">
            <?php include 'html/right.php' ?>
        </div>
        <div style="clear: both;"></div>
    </div>
</div>
</body>
</html>

